<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>7</ContextCount>
  <ElementCount>38</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>3</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>2</UnitCount>
  <MyReports>
    <Report instance="d513166d10ka.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>1001 - Document - Cover Page</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://lionsgate.com/role/CoverPage</Role>
      <ShortName>Cover Page</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="d513166d10ka.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>1002 - Document - Audit Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://lionsgate.com/role/AuditInformation</Role>
      <ShortName>Audit Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 2 fact(s) appearing in ix:hidden were eligible for transformation: dei:DocumentType, dei:EntityRegistrantName -  d513166d10ka.htm 9</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-K/A" original="d513166d10ka.htm">d513166d10ka.htm</File>
    <File>d513166dex10125.htm</File>
    <File>d513166dex313.htm</File>
    <File>d513166dex314.htm</File>
    <File>d513166dex991.htm</File>
    <File>lgfa-20230331.xsd</File>
    <File>lgfa-20230331_cal.xml</File>
    <File>lgfa-20230331_def.xml</File>
    <File>lgfa-20230331_lab.xml</File>
    <File>lgfa-20230331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>g513166g07a01.jpg</File>
    <File>g513166g07a02.jpg</File>
    <File>g513166g07a03.jpg</File>
    <File>g513166g07c01.jpg</File>
    <File>g513166g08a03.jpg</File>
    <File>g513166g08a04.jpg</File>
    <File>g513166g08a05.jpg</File>
    <File>g513166g08a06.jpg</File>
    <File>g513166g08a07.jpg</File>
    <File>g513166g08a08.jpg</File>
    <File>g513166g08a09.jpg</File>
    <File>g513166g08a10.jpg</File>
    <File>g513166g08a11.jpg</File>
    <File>g513166g08a12.jpg</File>
    <File>g513166g08b01.jpg</File>
    <File>g513166g08b02.jpg</File>
    <File>g513166g08c02.jpg</File>
    <File>g513166g09a03.jpg</File>
    <File>g513166g09a04.jpg</File>
    <File>g513166g09a05.jpg</File>
    <File>g513166g09a06.jpg</File>
    <File>g513166g09u44.jpg</File>
    <File>g513166g10a07.jpg</File>
    <File>g513166g10a08.jpg</File>
    <File>g513166g10a15.jpg</File>
    <File>g513166g23m01.jpg</File>
    <File>g513166g23m02.jpg</File>
    <File>g513166g23m03.jpg</File>
    <File>g513166g30a22.jpg</File>
    <File>g513166g30b22.jpg</File>
    <File>g513166g30c33.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="46">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
